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Anisotropy inc-axis oriented YBa2Cu3O7−δ

  • Superconductivity: Magnetic Penetration Depths Vortex State Anisotropy
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Abstract

Muon spin relaxation (μSR) data taken at LAMPF on ac-axis oriented fine powder sample of YBa2Cu3O7−δ (YBCO) embedded in epoxy are analyzed for relaxation rate anisotropy. Clear differences beyond simple magnetic field penetration depth anisotropy are observed forB‖c andB c. The low-temperature anisotropy ratio is consistent with oriented ceramic data. Small crystallite size and anisotropic flux pinning characteristics are suggested as the fundamental cause of the additional effects.

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Authors and Affiliations

  1. Physics Department, Texas Tech University, 79409, Lubbock, TX, USA

    R. L. Lichti & T. R. Adams

  2. Los Alamos National Laboratory, 87545, Los Alamos, NM, USA

    D. W. Cooke & R. S. Kwok

  3. Physics Department, San Jose State University, 95192, San Jose, CA, USA

    C. Boekema & J. C. Lam

  4. Physics Department, Case Western Reserve University, 44106, Cleveland, OH, USA

    D. E. Farrell & N. Bansal

Authors
  1. R. L. Lichti
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  2. T. R. Adams
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  3. D. W. Cooke
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  4. R. S. Kwok
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  5. C. Boekema
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  6. J. C. Lam
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  7. D. E. Farrell
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  8. N. Bansal
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Lichti, R.L., Adams, T.R., Cooke, D.W. et al. Anisotropy inc-axis oriented YBa2Cu3O7−δ . Hyperfine Interact 63, 73–79 (1991). https://doi.org/10.1007/BF02395987

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  • DOI: https://doi.org/10.1007/BF02395987

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